package Demo2;


class B{
    public B(){
        func();
    }
    public void func(){
        System.out.println("B::func");
    }
}

class D extends B{
    private int num = 1;
    public void func(){
        System.out.println("D::func()" + "  "  + num);
    }
}
public class Test {
    public static void main(String[] args) {
        D d = new D();
    }
}
